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| author | Martin Nordholts <enselic@gmail.com> | 2022-07-05 19:56:22 +0200 |
|---|---|---|
| committer | Martin Nordholts <enselic@gmail.com> | 2022-08-28 19:46:45 +0200 |
| commit | ddee45e1d7fd34563c13513d974f792fae41a2f7 (patch) | |
| tree | 680a1cbbe412897e2a0acae57e93d6ffe09a07cd /compiler/rustc_feature/src | |
| parent | ee285eab69d515114ed54a8e6c25e359acd6b684 (diff) | |
| download | rust-ddee45e1d7fd34563c13513d974f792fae41a2f7.tar.gz rust-ddee45e1d7fd34563c13513d974f792fae41a2f7.zip | |
Support `#[unix_sigpipe = "inherit|sig_dfl|sig_ign"]` on `fn main()`
This makes it possible to instruct libstd to never touch the signal handler for `SIGPIPE`, which makes programs pipeable by default (e.g. with `./your-program | head -n 1`) without `ErrorKind::BrokenPipe` errors.
Diffstat (limited to 'compiler/rustc_feature/src')
| -rw-r--r-- | compiler/rustc_feature/src/active.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_feature/src/builtin_attrs.rs | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_feature/src/active.rs b/compiler/rustc_feature/src/active.rs index 22178dd2123..89103a87623 100644 --- a/compiler/rustc_feature/src/active.rs +++ b/compiler/rustc_feature/src/active.rs @@ -519,6 +519,8 @@ declare_features! ( /// Allows creation of instances of a struct by moving fields that have /// not changed from prior instances of the same struct (RFC #2528) (active, type_changing_struct_update, "1.58.0", Some(86555), None), + /// Enables rustc to generate code that instructs libstd to NOT ignore SIGPIPE. + (active, unix_sigpipe, "CURRENT_RUSTC_VERSION", Some(97889), None), /// Allows unsized fn parameters. (active, unsized_fn_params, "1.49.0", Some(48055), None), /// Allows unsized rvalues at arguments and parameters. diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index d520efed9b8..00621341ee3 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -359,6 +359,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), // Entry point: + gated!(unix_sigpipe, Normal, template!(Word, NameValueStr: "inherit|sig_ign|sig_dfl"), ErrorFollowing, experimental!(unix_sigpipe)), ungated!(start, Normal, template!(Word), WarnFollowing), ungated!(no_start, CrateLevel, template!(Word), WarnFollowing), ungated!(no_main, CrateLevel, template!(Word), WarnFollowing), |